The word "no-account" is often used to describe someone who is insignificant, worthless or unimportant. However, there are several antonyms to this word that can help you describe someone who is valuable, useful and meaningful. Some of these antonyms include prominent, noteworthy, esteemed, significant, important, respected, reputable, and influential. These words can be used to describe someone who is successful and makes a difference in the world. Whether it is in a personal or professional setting, using these antonyms for "no-account" can help you paint a more positive and accurate picture of someone's character and accomplishments.